Congress leader Tom Vadakkan today slammed the ink attack allegedly carried out by Shiv Sena on Sudheendra Kulkarni – the event organiser for Pakistan’s former foreign minister Khurshid Mahmud Kasuri’s book launch, and blamed Sena for thriving on “anti-India activities”. “They done a black deed not on Pakistan or its author, they have done a black deed on India’s pluralistic culture,” he said. He even said that such intolerant activities were raising questions on India’s culture and our freedom of expression.